1 files changed, 104 insertions, 0 deletions

diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
new file mode 100644
index 000000000000..84f2459b2191
--- /dev/null
+++ b/fs/jfs/jfs_inode.c
@@ -0,0 +1,104 @@
+/*
+ *   Copyright (C) International Business Machines Corp., 2000-2004
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or 
+ *   (at your option) any later version.
+ * 
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software 
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/fs.h>
+#include <linux/quotaops.h>
+#include "jfs_incore.h"
+#include "jfs_filsys.h"
+#include "jfs_imap.h"
+#include "jfs_dinode.h"
+#include "jfs_debug.h"
+
+/*
+ * NAME:        ialloc()
+ *
+ * FUNCTION:    Allocate a new inode
+ *
+ */
+struct inode *ialloc(struct inode *parent, umode_t mode)
+{
+        struct super_block *sb = parent->i_sb;
+        struct inode *inode;
+        struct jfs_inode_info *jfs_inode;
+        int rc;
+
+        inode = new_inode(sb);
+        if (!inode) {
+                jfs_warn("ialloc: new_inode returned NULL!");
+                return inode;
+        }
+
+        jfs_inode = JFS_IP(inode);
+
+        rc = diAlloc(parent, S_ISDIR(mode), inode);
+        if (rc) {
+                jfs_warn("ialloc: diAlloc returned %d!", rc);
+                make_bad_inode(inode);
+                iput(inode);
+                return NULL;
+        }
+
+        inode->i_uid = current->fsuid;
+        if (parent->i_mode & S_ISGID) {
+                inode->i_gid = parent->i_gid;
+                if (S_ISDIR(mode))
+                        mode |= S_ISGID;
+        } else
+                inode->i_gid = current->fsgid;
+
+        /*
+         * Allocate inode to quota.
+         */
+        if (DQUOT_ALLOC_INODE(inode)) {
+                DQUOT_DROP(inode);
+                inode->i_flags |= S_NOQUOTA;
+                inode->i_nlink = 0;
+                iput(inode);
+                return NULL;
+        }
+
+        inode->i_mode = mode;
+        if (S_ISDIR(mode))
+                jfs_inode->mode2 = IDIRECTORY | mode;
+        else
+                jfs_inode->mode2 = INLINEEA | ISPARSE | mode;
+        inode->i_blksize = sb->s_blocksize;
+        inode->i_blocks = 0;
+        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+        jfs_inode->otime = inode->i_ctime.tv_sec;
+        inode->i_generation = JFS_SBI(sb)->gengen++;
+
+        jfs_inode->cflag = 0;
+
+        /* Zero remaining fields */
+        memset(&jfs_inode->acl, 0, sizeof(dxd_t));
+        memset(&jfs_inode->ea, 0, sizeof(dxd_t));
+        jfs_inode->next_index = 0;
+        jfs_inode->acltype = 0;
+        jfs_inode->btorder = 0;
+        jfs_inode->btindex = 0;
+        jfs_inode->bxflag = 0;
+        jfs_inode->blid = 0;
+        jfs_inode->atlhead = 0;
+        jfs_inode->atltail = 0;
+        jfs_inode->xtlid = 0;
+
+        jfs_info("ialloc returns inode = 0x%p\n", inode);
+
+        return inode;
+}